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Tzasqatch Tzasqatch
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6 years ago
The heating coil of a hot water heater has a resistance of 20 ohms and operates at 210 V. If electrical energy costs 5.5 cents per kW-hr, what does it cost to raise the 200 kg of water in the tank from 15C to 80C? (The specific heat of water is 4 186 J/kgC)
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VecksaVecksa
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6 years ago
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Tzasqatch Author
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6 years ago
Thanks
mkyoungs
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Yesterday
Thanks for your help!!
jmelchor77
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2 hours ago
Brilliant ツ
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